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C3 AIThe Agentic Operating System for Enterprise AI
vs
Relevance AISpecialist AI Agents for Every Task
Comparison · AI Agents · weekly run Nov 3

C3 AI vs Relevance AI

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Relevance AI is the stronger AI pick in AI Agents: it has a visibility score of 8 versus 0.9 for C3 AI.

Choose C3 AI if…

  • You need SOC 1 or SOC 3 or FedRAMP or FedRAMP Moderate or FISMA or FIPS 140-2 or ITAR or HIPAA or PCI DSS Level 1 or DoD IL5 or DoD IL6 coverage
  • You prefer a larger, established vendor (1,001–5,000 employees)
  • Enterprise-scale AI solutions

Choose Relevance AI if…

  • You want the brand AI engines rank higher (8 vs 0.9)
  • You need GDPR coverage
  • visual drag-and-drop agent builder
  • free tier

AI visibility side by side

Latest weekly run · Nov 3

Metric C3 AI Relevance AI
Visibility score0.9%8%
Change vs last weekNewNew
Rank in AI Agents#59#15
Share of voice0.5%1.5%
Mentions this run310
Positive in AI answers—50%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 3C3 AI 1%

C3 AI 0pp · Relevance AI 0pp over 0 weekly runs.

Engine by engine

Relevance AI leads on 3 of 3 engines

ChatGPT
0.9%
10.9%
AI Mode
0.9%
5%
Perplexity
0.9%
8%
C3 AIRelevance AI

Head to head in AI answers

0 engine answers name both brands

0C3 AI ranked higher
0Relevance AI ranked higher

Features, pricing & fit

DimensionC3 AIRelevance AI
Pricing model—Flat tiers
Entry price—Contact sales
Free plan—No
DeploymentThe company says its platform runs across any infrastructure.—
Integrations—2000+
ComplianceSOC 1, SOC 2, SOC 3, FedRAMP, FedRAMP Moderate, FISMA, FIPS 140-2, ITAR, HIPAA, PCI DSS Level 1, DoD IL5, DoD IL6SOC 2, GDPR
SupportCustomer Support Portal, 24/7 support line in customer contract, Email support@c3.aiEmbedded deployment team, Dedicated account manager on Enterprise plan
Founded20092020
HeadquartersRedwood City, CaliforniaSan Francisco, California, United States
Employees1,001–5,00051–200
FundingIPOSeries A (unconfirmed, reported by Signalbase) · $37M raised
Best forLarge operators in defense and intelligence, maritime, manufacturing, federal government, oil and gas, utilities and healthcare.Enterprise teams in sales, customer success, marketing and HR that want non-technical staff to build and run their own agents.

Plans side by side

C3 AI

Pricing not available.

Relevance AI

EnterpriseCustom
Relevance AI pricing

Pros and cons

Themes from the AI answers that mention each brand

C3 AI

  • Enterprise-scale AI solutions
  • Placed in ISG's Merit tier rather than top tiers

Relevance AI

  • visual drag-and-drop agent builder
  • free tier
  • prebuilt agent templates for sales, support, and operations
  • hosted no-code agent builder useful for experimenting
  • named best overall

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “C3 AI vs Relevance AI”, https://slateindex.ai/compare/c3-ai-vs-relevance-ai, data of Nov 3, 2026. Licence: CC BY 4.0.